#!/bin/sh
# preinst to faciliate upgrades from older versions that still used
# the alternates system for accessing xaw-wrappers

set -e

if [ "$1" = "upgrade" ] && dpkg --compare-versions "$2" le "4.2.6-2.1"
then
	update-alternatives --quiet --remove \
		xboard \
		/usr/lib/games/xboard/xboard.real
fi